Trolls

Dwarfs of Northern mythology, living in hills or mounds; they
are represented as stumpy, misshapen, and humpbacked, inclined to
thieving, and fond of carrying off children or substituting one of
their own offspring for that of a human mother. They are called
hill-people, and are especially averse to noise, from a recollection
of the time when Thor used to be for ever flinging his hammer after
them. (Icelandic, troll.)' (See Fairy.)